My New Tank - Page 12 - Tropical Fish Keeping - Aquarium fish care and resources
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post #111 of 125 Old 12-14-2011, 08:40 PM
No Tangs in a 40.
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post #112 of 125 Old 12-16-2011, 06:56 PM Thread Starter
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No Tangs in a 40.
would small dwarf angel fish be ok in a 40g tank?
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post #113 of 125 Old 12-16-2011, 07:02 PM
Yup, sure wil. Most only get 3-4", they'll do ya. And you have quite a few to choose from.
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post #114 of 125 Old 12-18-2011, 08:18 PM Thread Starter
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alright, im almost ready to throw in the towel, 2 weeks ago the tank was almost spotless. no algea no nothing. then all of a sudden. half the tank is covered in green algea, and to top it all off some how all of my turbo snails have died. chem test shows everything is in the safe zone and salt level is at 1.024. the only thing that has change is the introduction of black legged hermit crabs. my local pet store said they would help out everything in the tank and for the first few day they did, u could watch them turn over the live sand and eat the algea. but somhow all my turbo snails are dead now except for the mexican snails. any help with this would be awsome.

also there was a heavy smell coming from the tank as well. i figure it was from the dead snails in the tank. could anything else cause the smell?
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post #115 of 125 Old 12-19-2011, 09:24 AM
Yea, smell of rotten eggs if you have a Deep Sand bed. They release toxic gas and can kill everything in the tank. SO, being this thread is 12 pages long, ya gotta refresh my memory. Your tank isn't very old which would account for the algae. I've never been able to keep Turbo snails very long, so I wouldn't throw in the towel there. Whats a mexican snail? I know of the ones called Mexican Turbo Snails. There are quite a few other snails you can also buy out there, turbos are just the biggest at removing algae. When they die, unless in huge quantities, they are not going to foul the water, bristle worms and your hermits eat out the remains. Now about these Black Legged Hermits, never heard of them. Are you sure they just eat algae?
Also, I don't know of anyone who does not have to clean algae off the glass from time to time. What kind of algae and where are you having the issue?
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post #116 of 125 Old 12-19-2011, 10:07 AM
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i personally would stop adding things being sold to help remove algae when they are just contributing to the bioload. it seems as if your tank is trying to stabalize itself but if i had to guess to much was added to fast.

using only RO/DI water for water top off and performing a small water change would be a good start. a reactor for carbon and one for phosban wouldnt hurt either. exactly what filtration do you currently have? how about flow? what and how much are you feeding? this can most def. contribute to un-wanted nutrients which will lead to un-wanted algae. you may not see much of a nitrate or phosphate reading if the algae is consuming these ( even though a source is present )

lighting can contribute to algae growth too. are your bulbs old? are they 10K + spectrum? do you have corals in this tank? is cutting back the lighting to an hour or two a day possible for a few days?

ultimately you'd have to adjust what would be feeding the algae, either nitrates or phosphates or both.. and remove that problem, whether it be overfeeding or a slow flow/dead spot in the tank/sump.


im not familiar with black hermits either. i personally dont like any crabs in my tanks, including hermits. they seem to like to eat what they find/want. hermits tend to eat snails for their shell and sometimes not even use that shell.
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post #117 of 125 Old 12-19-2011, 11:19 AM Thread Starter
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right now i have a T-5 dual lighting system, 14k coral growth light and a marine acitic blue light. The meduims that im using in my filter are sponge, carbon/phosphate removor and bio cubes on top. and as for water im just using tap water. by i have a phosphate tester and it says that the tap water is almost 0 for phosphates. right now im currently working on a small water change. i dont think its a flow problem because i have no red algea. i have my aqua clear 50 on one side and a 425 power head on the other so there should be plently of flow. i think your right though about the hermit crabs i should have gone one or the other. the net said they where reef safe thats why i got them and they seemed to do more than the snails did. and no i have no corals yet, thats on the todoo list.
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post #118 of 125 Old 12-24-2011, 10:39 AM Thread Starter
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k algea problem is dying down alittle. no red algea and brown is very little. about 1/8 of the sand bed is covered in green algea which seems to be where all the hermit crabs spend most of there time. so i think this tank is done, im just gonna have the 4 fish in the tank and thats it.

secondly i finally just sold my last fresh water fish from my 45g tank and now im in the process of switching it to salt water. the question i have here is my friend is trying to get ride of his still in the box never used fluval 303 and wants to sell it to me for $100. is this worth it or should i stick with the two aqua clear 50 and 20?

any thoughts?
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post #119 of 125 Old 12-24-2011, 11:55 AM
Your call on the filter. You know what I'd say. Its not needed. But, thats up to you.Price is to high if you ask me, you can get a brnd new one off e-bay for $123 shipped. But at 222gph its way undersized for water movement.
FLUVAL A212 A211 305-306 NEWEST MODEL EXTERNAL AQUARIUM CANISTER FILTER 303GPH | eBay
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post #120 of 125 Old 12-24-2011, 12:00 PM
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Minimum tank size for a smaller tang, such as a Yellow, would be 4-6 feet (75-90 gallons)
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